Whey Protein Isolates are 90% pure protein by weight. They are the purest and most expensive form of whey protein that exists. That’s why they are the first ingredients you read on the Optimum Nutrition 100% Whey Gold Standard label. By using Whey Protein Isolates as our primary protein source, we’re able to pack 24 grams of the purest, muscle-building protein per serving, with a lot less of the fat, cholesterol, lactose, and other stuff that you can do without. There’s no question this is the standard by which other whey proteins are measured.

Best quality + best value = gold standard
Best Quality

Whey protein is popular with active adults because it digests rapidly and is a rich source of amino acids to support muscle recovery.* Whey protein isolates are the purest form of whey and the primary ingredient in Gold Standard 100% Whey. Each serving provides 24 grams of rapidly digesting whey protein with low levels of fat, cholesterol, lactose and other stuff you can do without. Thereâs no doubt this is the standard all other proteins are measured against.
Best Value
Do the Math: Compare the Cost Per Serving to other protein powders and youâll realize the Gold Standard difference. Itâs easy to calculate. Just take the price of your protein product and divide it by the number of servings in the tub. Thatâs how much protein youâre getting for your dollar. Gold Standard 100% Whey provides ONâs legendary quality with exceptional Cost Per Serving value.

Optimum 100% Whey SUGGESTED USE: Consume approximately 1 gram of protein per pound of body weight per day through a combination of high protein foods and protein supplements. For even better results, consume your daily protein allotment over several small meals spread evenly throughout the day.

Optimum 100% Whey Warnings: This product contains whey derived from dairy and lecithin (to improve mixability) derived from soybeans. For use as a dietary supplement only. Do not use for weight reduction.